Water temperature is an important factor that affects the health of fish. The MARINA LCD vertical mount digital thermometer (3" 7.6 cm in length) is accurate and easy to read, it ranges from 19 to 31 degrees C (66 to 88 degrees F).

Water temperature is an important factor that affects the health of fish. The MARINA LCD vertical mount digital thermometer (3" 7.6 cm in length) is accurate and easy to read, it ranges from 19 to 31 degrees C (66 to 88 degrees F). It comes with an adhesive backing which makes it easy to mount to the outside glass. Ideal for all fresh and saltwater aquarium setups.